name: Build

on:
  push:
    branches:
      - master
  pull_request:
  release:
    types: [published]

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
    strategy:
      matrix:
        goos: [linux, windows, darwin]
        goarch: [amd64, arm64]
    steps:
    - uses: actions/checkout@v6

    - name: Set up Go
      uses: actions/setup-go@v6
      with:
        go-version: '1.26.3'
        cache: true

    - name: Cache Go build cache
      uses: actions/cache@v4
      with:
        path: ~/.cache/go-build
        key: ${{ runner.os }}-go-build-${{ matrix.goos }}-${{ matrix.goarch }}-${{ hashFiles('go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-build-${{ matrix.goos }}-${{ matrix.goarch }}-

    - name: Install dependencies
      run: go mod download

    - name: Build
      env:
        GOOS: ${{ matrix.goos }}
        GOARCH: ${{ matrix.goarch }}
      run: |
        BINARY_NAME="tslink"
        if [ "${{ matrix.goos }}" = "windows" ]; then
          BINARY_NAME="${BINARY_NAME}.exe"
        fi
        go build -v -trimpath -buildvcs=false -o "release/${BINARY_NAME}" -ldflags="-s -w" .

    - name: Compress with UPX
      if: matrix.goos != 'darwin' && !(matrix.goos == 'windows' && matrix.goarch == 'arm64')
      uses: crazy-max/ghaction-upx@v4
      with:
        files: |
          release/tslink*
        args: "-9"

    - name: Determine version
      id: version
      run: |
        if [ "${{ github.event_name }}" = "release" ]; then
          echo "version=${{ github.ref_name }}" >> $GITHUB_OUTPUT
        else
          echo "version=dev$(date +'%y%m%d')" >> $GITHUB_OUTPUT
        fi

    - name: Upload Artifact
      uses: actions/upload-artifact@v5
      with:
        name: tslink-${{ steps.version.outputs.version }}-${{ matrix.goos }}_${{ matrix.goarch }}
        path: release/

  container:
    if: github.event_name == 'release'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
    - uses: actions/checkout@v6

    - name: Set up Go
      uses: actions/setup-go@v6
      with:
        go-version: '1.26.3'
        cache: true

    - name: Cache Go build cache
      uses: actions/cache@v4
      with:
        path: ~/.cache/go-build
        key: ${{ runner.os }}-go-build-container-${{ hashFiles('go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-build-container-

    - name: Login to ghcr.io
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Install ko
      run: go install github.com/google/ko@latest

    - name: Build and push container image
      env:
        KO_DOCKER_REPO: ghcr.io/${{ github.repository_owner }}/tslink
      run: |
        ko build --bare ./ --platform=all \
          -t latest \
          -t ${{ github.ref_name }}

  release:
    if: github.event_name == 'release'
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
    - uses: actions/download-artifact@v5

    - name: Generate checksums
      run: |
        find . -type f \( -name 'tslink' -o -name 'tslink.exe' \) -exec sha256sum {} \; > tslink_checksums.txt

    - name: Upload to release
      uses: softprops/action-gh-release@v2
      with:
        files: |
          */tslink
          */tslink.exe
          tslink_checksums.txt